搜索资源列表
watermark_2
- 提出了一种离散小波变换域实现图像水印的方法。这种算法充分利用小波变换的特点,把原始图像及水印图像塔式分解,在多分辨率分解后的相同的频段来嵌入水印信息。该方法也利用了人眼视觉特性,算法简单而有效。实验证明,该算法较好地解决了水印不可见性与鲁棒性之间的矛盾,对常见的水印攻击都有较强的鲁棒性。-presents a discrete wavelet transform domain image watermarking method. This algorithm using wavelet tran
dddddd
- :数字水印技术在数字产品的版权保护中起着非常重要的作用。概括了数字水印技术的现状及其基本原理,并 分析了变换域数字水印算法的优势,详细阐述了DCT 水印嵌入和提取算法的原理和步骤。最后在Matlab 平台下对DCT 数 字水印算法进行了仿真,仿真结果证实了DCT 算法的强健性和鲁棒性。-: digital watermarking technology in the digital copyright protection products played a very important
Fusion
- 3D reconstruction, medical image processing from colons, using intel image processing for based class. This source code. Some code missing but I think you can understand it. Development version. This source code is very interesting for learning segme
W-SVD
- SVD图像处理，MATLAB程序 变换域小波处理程序-SVD image processing, MATLAB wavelet transform domain processing procedures
eg-fft
- fft1．用Matlab产生正弦波,矩形波,以及白噪声信号，并显示各自时域波形图 2．进行FFT变换，显示各自频谱图，其中采样率，频率、数据长度自选 3．做出上述三种信号的均方根图谱,功率图谱,以及对数均方根图谱 4．用IFFT傅立叶反变换恢复信号，并显示恢复的正弦信号时域波形图-fft1. Using Matlab generated sine wave, rectangular wave, as well as the white noise signal, and displa
ch2
- 第2章 信号变换 67 2.1 Z变换及MATLAB实现 67 2.1.1 Z变换的定义 68 2.1.2 Z变换的收敛域 68 2.1.3 Z逆变换 70 2.1.4 Z变换的性质 72 2.1.5 Z变换的工程应用 74 2.2 Chirp Z变换及MATLAB实现 77 2.2.1 Chirp Z变换的定义 77 2.2.2 Chirp Z变换的计算方法 79 2.2.3 Chirp Z变换的MATLAB实现 80 2.3 离散傅里叶变换及MAT
shiyan
- 数字信号处理 信号与系统响应（1） 熟悉连续信号经理想采样前后的频谱变化关系，加深对时域采样定理的理解。 （2） 熟悉时域离散系统的时域特性 （3） 利用卷积方法观察分析系统的时域特性 （4） 掌握序列傅里叶变换的计算机实现方法，利用序列的傅里叶变换对连续信号、离散信号及系统响应进行频域分析。 -Digital Signal Processing Signals and Systems in response to (1) familiar with the continuous
fusionandregistration
- -The existence of numerous imaging modalities makes it possible to present different data present in different modalities together thus forming multimodal images. Component images forming multimodal images should be aligned, or registered so that all
Wavelet1D
- 本例程主要演示了一维小波变换，小波算法是一种基于时域到频域的变换，可以得到信号频率和时间的关系。-The main demonstration of the routine of one-dimensional wavelet transform, wavelet-based algorithm is a time-domain to frequency domain transform, the signal can be frequency and time.
lq
- 利用MATLAB强大的图形处理功能，符号运算功能和数值计算功能，实现连续时间非周期信号频域分析的仿真波形； 1、用MATLAB实现典型非周期信号的频域分析； 2、用MATLAB实现信号的幅度调制； 3、用MATLAB实现信号傅立叶变换性质的仿真波形； -The use of MATLAB powerful graphics processing capabilities, symbolic computing and numerical computing capabilitie
GeneratingFPGA-AcceleratedDFTLibraries
- 关于DFT的文章，应用FPGA实现傅立叶变换。-Abstract—We present a domain-specific approach to generate high-performance hardware-software partitioned implementations of the discrete Fourier transform (DFT). The partitioning strategy is a heuristic based on the DFT
pap
- 抽取和内插的分数阶Fourier 域分析 离散时间分数阶Fourier 变换-Extraction and interpolation of the fractional Fourier domain analysis of discrete-time Fourier transform fractional
Dispossal-of-signal-in-time-domain
- 讲述如何使用matlab进行基本的信号变换，包括傅里叶变换，卷积。使用矩阵的方式进行傅里叶变换，避免了使用matlab函数运算功能带来的大量时间浪费-How to use matlab to basic signal conversion, including the Fourier transform, convolution. Matrix Fourier transform, to avoid a lot of time wasted matlab function computing
FRFT-sample-thereme
- 分数阶傅里叶变换域上带通信号的采样定理 -Fractional Fourier transform domain sampling theorem for bandpass signals
TDCS
- 变换域通信系统(TDCS)的发展历程,分析了其 独特的抗干扰方式,并揭示了TDCS具有极强的抗干扰能力、较高频谱利用率和低截获概率、低检测概率(LPI/LPD)特性的特点。-Transform domain communication system (TDCS) development process, analysis of its The unique anti-jamming approach and reveals TDCS has a strong anti-jamming
gaoguangpu
- 离散小波变换域非负张量分解的高光谱遥感图像压缩-Discrete wavelet transform domain of non-negative tensor decomposition of hyperspectral remote sensing image compression
ofdm_lte_paper1
- Cluster-based Transform Domain Communication Systems for High Spectrum Efficiency
ieee4
- Estimating the Statistical Characteristics of Remote Sensing Big Data in the Wavelet Transform Domain LIZHE WANG1 , (Senior Member, IEEE), HUI ZHONG1,2, RAJIV RANJAN3 , ALBERT ZOMAYA4 , (Fellow, IEEE), AND PENG LIU1 1 Institute of R
Multifocus-Image-Fusion-Based-on-NSCT
- Abstract—To overcome the difficulties of sub-band coefficients selection in multiscale transform domain-based image fusion and solve the problem of block effects suffered by spatial domain-based image fusion, this paper presents a novel hybrid
WAVELET-DOMAIN-COMMUNICATION-SYSTEM
- 非常经典的基于小波变换的变换域通信系统英文文献，对研究变换域通信系统烦人人帮助很大-Very classic wavelet transform based domain communication system in English literature, research on the transformation domain communication system annoying everyone to help a lot